CN211166466U - Bow lifting air bag with guide mechanism - Google Patents
Bow lifting air bag with guide mechanism Download PDFInfo
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- CN211166466U CN211166466U CN201921332338.1U CN201921332338U CN211166466U CN 211166466 U CN211166466 U CN 211166466U CN 201921332338 U CN201921332338 U CN 201921332338U CN 211166466 U CN211166466 U CN 211166466U
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- air bag
- guide mechanism
- block
- pantograph
- guide
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Abstract
The utility model discloses a take guiding mechanism's lift bow gasbag. The utility model discloses a guiding mechanism guarantees that the gasbag can guarantee that gasbag inflation atress does not deflect when filling compressed gas. Meanwhile, the guide mechanism is guaranteed to be stretched at a constant speed under the action of thrust, the contact pressure of the air bag is kept constant, the pantograph is pushed to rise at a constant speed, the saturation state of the air bag is limited, and the air bag is prevented from being damaged, the service life of the air bag is shortened and even the air bag is broken due to interference saturation of the air bag. The utility model discloses simple structure, stability are good, very big improvement track traffic's security.
Description
Technical Field
The utility model relates to a track traffic technical field, more specifically relates to a take guiding mechanism's lift bow gasbag.
Background
In the field of research on the track traffic pantograph-ascending air bag device, the air bag needs to maintain reliable stability when a train runs at a high speed due to the very high requirement on the working stability of the pantograph-ascending air bag device. In order to ensure the working stability of the whole pantograph lifting system, the contact pressure of the air bag in the processes of expansion and compression needs to be kept stable.
At present, in the research field of rail transit pantograph-ascending air bag devices, the air bags which are applied more are of rubber-made two-bag air cylinder structures. When the pantograph rises, compressed gas is filled into the external gas source from the air bag top plate interface, so that the air bag expands to generate thrust to push the pantograph to rise. When the pantograph descends, compressed gas is discharged from the air bag top plate interface, the air bag is compressed and deformed, and the pantograph descends slowly. The existing air bag generates ascending thrust and descending resistance by means of compressed air, once the flow rate of the compressed air is uneven, the contact pressure curve of the air bag can exceed the specified range, the lifting stress of the pantograph is unstable, the pantograph is easy to bear large impact, the conditions of deflection, damage and the like occur, and the safety and the stability of the railway vehicle are seriously threatened.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to the current instability that rises the bow gasbag, the not enough of damage, deflection easily appears, provides a take guiding mechanism's rising bow gasbag.
The purpose of the utility model is realized through the following technical scheme:
The arch lifting air bag with the guide mechanism comprises an air bag bottom plate, an air bag top plate, an air bag and the guide mechanism, wherein the air bag is fixed between the air bag bottom plate and the air bag top plate, and the guide mechanism is connected with the air bag bottom plate and the air bag top plate. The guide mechanism is arranged between the air bag top plate and the air bag bottom plate, so that when the flow velocity of compressed gas is unstable, the air bag can be prevented from deflecting, the contact pressure curve of the air bag is in a specified range, and the stability and the safety of the railway vehicle are improved.
Further, the guide mechanism comprises a fixed block, a guide block and a damping hinge, the fixed block is connected with the guide block, and the guide block is connected with the damping hinge.
Further, the fixed block includes fixed block one and fixed block two, and the guide block includes guide block one and guide block two, fixed block one is fixed with the gasbag bottom plate, and fixed block two is fixed with the gasbag roof, and guide block one and guide block two are connected with fixed block one and fixed block two through the pivot respectively, and guide block one and guide block two are passed through damping hinge connection. Further preferably, the rotating shaft is a self-lubricating bearing.
When the pantograph rises, an external air source is filled with compressed air from the air bag interface to expand the air bag to generate thrust, and meanwhile, the guide mechanism stretches at a constant speed under the action of the thrust to keep the contact pressure of the air bag constant and push the pantograph to rise at a constant speed. When the pantograph descends, compressed gas is discharged from the air bag top plate interface, the air bag is compressed and deformed, and meanwhile, the guide mechanism is compressed at a constant speed under the action of deformation pressure, so that the contact pressure of the air bag is kept constant, and the pantograph descends at a constant speed.
Furthermore, the pantograph-ascending air bag with the guide mechanism is also provided with an air bag cover plate which comprises a front outer air bag cover plate and a rear outer air bag cover plate, the front outer air bag cover plate is connected with the air bag bottom plate, and the rear outer air bag cover plate is connected with the air bag top plate.
Furthermore, the air bag is fixed on the air bag bottom plate and the air bag top plate through clamping grooves; the air bag top plate is connected with the rear outer air bag cover plate through bolts, and the air bag bottom plate is connected with the front outer air bag cover plate through bolts.
Further, the air inlet and outlet of the air bag are positioned at the top plate of the air bag.
Compared with the prior art, the beneficial effects are:
The utility model discloses increase guiding mechanism between gasbag roof and gasbag bottom plate, guarantee through guiding mechanism that the gasbag can guarantee that gasbag inflation atress does not deflect when filling compressed gas. Meanwhile, the guide mechanism is guaranteed to be stretched at a constant speed under the action of thrust, the contact pressure of the air bag is kept constant, the pantograph is pushed to rise at a constant speed, the saturation state of the air bag is limited, and the air bag is prevented from being damaged, the service life of the air bag is shortened and even the air bag is broken due to interference saturation of the air bag.
Drawings
FIG. 1 is a block diagram of the present invention;
Fig. 2 is a structure view of a conventional airbag.
The air bag comprises an air bag top plate 1, an air bag bottom plate 2, an air bag 3, a first fixing block 4, a second fixing block 5, a first guide block 6, a second guide block 7, a second guide block 8, a rear air bag cover plate and a front air bag cover plate 9.
Detailed Description
The following examples are further explained and illustrated, but the specific examples are not intended to limit the present invention in any way. Unless otherwise indicated, the methods and equipment used in the examples are conventional in the art and all materials used are conventional commercially available materials.
Example 1
As shown in figure 1, the pantograph lifting air bag with the guide mechanism comprises an air bag bottom plate 2, an air bag top plate 1, an air bag 3 and the guide mechanism, wherein the air bag 3 is fixed between the air bag bottom plate 2 and the air bag top plate 1, the guide mechanism is connected with the air bag bottom plate 2 and the air bag top plate 1, and an air inlet and an air outlet of the air bag are positioned at the air bag top plate. By arranging a guide mechanism between the air bag top plate 1 and the air bag bottom plate 2, when the flow velocity of compressed gas is prevented from being unstable, the air bag 3 can be prevented from deflecting, the contact pressure curve of the air bag 3 is ensured to be in a specified range, and the stability and the safety of the railway vehicle are improved.
The guide mechanism comprises a fixing block, a guide block and a damping hinge, the fixing block comprises a first fixing block 4 and a second fixing block 5, the guide block comprises a first guide block 6 and a second guide block 7, the first fixing block 4 is fixed with the air bag bottom plate 2, the second fixing block 5 is fixed with the air bag top plate 1, the first guide block 6 and the second guide block 7 are respectively connected with the first fixing block 4 and the second fixing block 5 through self-lubricating bearings, and the first guide block 6 and the second guide block 7 are connected through the damping hinge. The pantograph-ascending air bag with the guide mechanism is provided with an air bag cover plate which comprises a front outer air bag cover plate 9 and a rear outer air bag cover plate 8, wherein the front outer air bag cover plate 9 is connected with the air bag bottom plate 2, and the rear outer air bag cover plate 8 is connected with the air bag top plate 1.
The air bag 3 is fixed on the air bag bottom plate 2 and the air bag top plate 1 through clamping grooves; the air bag top plate 1 is connected with a rear outer air bag cover plate 8 through bolts, and the air bag bottom plate 2 is connected with a front outer air bag cover plate 9 through bolts.
Example 2
When the pantograph lifting air bag with the guide mechanism works, a pantograph rises, an external air source is filled with compressed air from an interface 3 of the air bag, the air bag expands to generate thrust, and meanwhile, the guide mechanism stretches at a constant speed under the action of the thrust, so that the contact pressure of the air bag is kept constant, and the pantograph is pushed to rise at a constant speed. When the pantograph descends, compressed gas is discharged from the interface 1 of the air bag top plate, the air bag 3 is compressed and deformed, and meanwhile, the guide mechanism is compressed at a constant speed under the action of deformation pressure, so that the contact pressure of the air bag is kept constant, and the pantograph descends at a constant speed. Compared with the airbag structure shown in fig. 2, the utility model discloses can guarantee that the gasbag can guarantee that gasbag inflation atress does not deflect when filling compressed gas, carry on spacingly to the saturation state of gasbag simultaneously, prevent that gasbag damage, life-span that gasbag interference saturation arouses from reducing and even breaking.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (7)
1. The bow-lifting air bag with the guide mechanism is characterized by comprising an air bag bottom plate, an air bag top plate, an air bag and the guide mechanism, wherein the air bag is fixed between the air bag bottom plate and the air bag top plate, and the guide mechanism is connected with the air bag bottom plate and the air bag top plate.
2. The pantograph air bag with guide mechanism of claim 1, wherein the guide mechanism comprises a fixed block, a guide block and a damping hinge, the fixed block is connected with the guide block, and the guide block is connected with the damping hinge.
3. The pantograph air bag with the guide mechanism according to claim 2, wherein the fixing block comprises a first fixing block and a second fixing block, the guide block comprises a first guide block and a second guide block, the first fixing block is fixed with the air bag bottom plate, the second fixing block is fixed with the air bag top plate, the first guide block and the second guide block are respectively connected with the first fixing block and the second fixing block through rotating shafts, and the first guide block and the second guide block are connected through damping hinges.
4. The pantograph air bag with guide mechanism of claim 3, wherein the shaft is a self-lubricating bearing.
5. The pantograph airbag with guide mechanism according to claim 1, wherein the pantograph airbag with guide mechanism is further provided with an airbag cover including a front outer airbag cover connected to the airbag base plate and a rear outer airbag cover connected to the airbag top plate.
6. The pantograph air bag with the guide mechanism according to claim 1 or 5, wherein the air bag is fixed on the air bag bottom plate and the air bag top plate through a clamping groove; the air bag top plate is connected with the rear outer air bag cover plate through bolts, and the air bag bottom plate is connected with the front outer air bag cover plate through bolts.
7. The guided pantograph air bag of claim 1, wherein the air inlet and outlet ports of the air bag are located at the air bag roof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921332338.1U CN211166466U (en) | 2019-08-16 | 2019-08-16 | Bow lifting air bag with guide mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921332338.1U CN211166466U (en) | 2019-08-16 | 2019-08-16 | Bow lifting air bag with guide mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211166466U true CN211166466U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921332338.1U Active CN211166466U (en) | 2019-08-16 | 2019-08-16 | Bow lifting air bag with guide mechanism |
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| CN (1) | CN211166466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116972226A (en) * | 2023-08-21 | 2023-10-31 | 江苏江中集团有限公司 | Installation equipment for splicing auxiliary air pipes in narrow vertical shaft and construction method of installation equipment |
-
2019
- 2019-08-16 CN CN201921332338.1U patent/CN211166466U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116972226A (en) * | 2023-08-21 | 2023-10-31 | 江苏江中集团有限公司 | Installation equipment for splicing auxiliary air pipes in narrow vertical shaft and construction method of installation equipment |
| CN116972226B (en) * | 2023-08-21 | 2024-04-05 | 江苏江中集团有限公司 | Installation equipment for splicing auxiliary air pipes in narrow vertical shaft and construction method of installation equipment |
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